Many scholars share the belief that interest is as _____ to learning as the ability to understand, even more so to some degree.

 It was raining heavily, Little Mary felt cold, so she stood _____ to her mother.

    — Are you pleased with what he has done?— It couldn’t be ________. He must have put a lot of effort into his work.

A government official was murdered last Friday and the police are collecting information that is________to the case.

Philosophical problems arise when people ask questions that, though very        , have certain characteristics in common.